/**
 * Copyright (C) 2010 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.everrest.groovy;

/**
 * Base implementation of ResourceId.
 *
 * @author <a href="mailto:andrew00x@gmail.com">Andrey Parfonov</a>
 * @version $Id$
 */
public class BaseResourceId implements ResourceId {
    private final String id;

    public BaseResourceId(String id) {
        if (id == null) {
            throw new IllegalArgumentException("Id may not be null. ");
        }
        this.id = id;
    }

    /** {@inheritDoc} */
    public String getId() {
        return id;
    }

    /** {@inheritDoc} */
    @Override
    public boolean equals(Object obj) {
        return obj != null && getClass() == obj.getClass() && id.equals(((BaseResourceId)obj).id);
    }

    /** {@inheritDoc} */
    @Override
    public int hashCode() {
        return id.hashCode();
    }

    /** {@inheritDoc} */
    public String toString() {
        return getClass().getSimpleName() + '(' + id + ')';
    }
}
